747242513 has 2 divisors, whose sum is σ = 747242514. Its totient is φ = 747242512.

The previous prime is 747242477. The next prime is 747242537. The reversal of 747242513 is 315242747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 388405264 + 358837249 = 19708^2 + 18943^2 .

It is a cyclic number.

It is not a de Polignac number, because 747242513 - 2¹⁶ = 747176977 is a prime.

It is not a weakly prime, because it can be changed into another prime (747242113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373621256 + 373621257.

It is an arithmetic number, because the mean of its divisors is an integer number (373621257).

Almost surely, 2^747242513 is an apocalyptic number.

It is an amenable number.

747242513 is a deficient number, since it is larger than the sum of its proper divisors (1).

747242513 is an equidigital number, since it uses as much as digits as its factorization.

747242513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 35.

The square root of 747242513 is about 27335.7369207417. The cubic root of 747242513 is about 907.4454431201.

The spelling of 747242513 in words is "seven hundred forty-seven million, two hundred forty-two thousand, five hundred thirteen".